Multiple choice

Which of the following statements regarding sphingosine-1-phosphate is false?

  1. Sphingosine-1-phosphate is a signaling sphingolipid.

  2. Sphingosine is released from ceramides, a process catalysed by the enzyme ceramidase.

  3. Sphingosine-1-phosphate is a blood borne lipid mediator.

  4. The levels of sphingosine-1-phosphate are 5 to 10 times up-regulated in ovarian cancer patients' ascites.

  5. Administration of sphingosine-1-phosphate protects oocytes from chemotherapeutic agents in vitro only.
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

This option is correct. Administration of sphingosine-1-phosphate protects oocytes from chemotherapeutic agents in vitro as well as in vivo.

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